>2zfb_B mol:protein length:146 Hemoglobin subunit betaVHWSAEEKQLITGLWGKVNVAECGAEALARLLIVYPWTQRFFTSFGNLSSASAVLGNPNVRAHGKKVLTSFGEAVKNLDNIKNTFAQLSELHCDKLHVDPENFRLLGDILIIVLAGHFGKDFTPDCQAAWQKLVRAVAHALARKYH